El Niño Triggers Record Coastal Flooding in California
El Niño Triggers Record Coastal Flooding in California
US · Published Nov 4, 2026
• California is experiencing significant coastal flooding due to a combination of El Niño conditions, record-high ocean temperatures, and elevated tides.
• Last week, sea levels in San Diego, Los Angeles, and San Francisco rose by 1.4 feet, 1.3 feet, and 1.1 feet, respectively, above expected levels.

Impact & Risks

The flooding has already caused significant damage to coastal infrastructure and homes, particularly in Southern California. Communities in Huntington Beach, Redondo Beach, and Long Beach have been heavily affected, with seawater breaching homes and businesses. Northern California's bayside areas are also at risk. Experts predict that the combination of king tides, El Niño-driven Kelvin waves, and potential winter storms could lead to even more severe flooding, posing risks to property, transportation, and public safety.

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